This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

This 1920s Dutch barge is now a floating bookstore.

This network of narrow, medieval passages has the most delightful name.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

An exercise in radical design and social living that became the epicenter of Soviet spy networks in London.

The United Kingdom's smallest working cathedral also serves as a quaint bed and breakfast.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

The western face was supposedly left clock-less to snub the Welsh.

A bizarre stone beast lurks on the beach of a popular tourist island.

The home of an eccentric Edwardian gentleman is packed to the rafters with handcrafted items collected over a lifetime.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

Black cat statues guard this temple-like Egyptian revival factory.

The grounds of this Jacobean estate contain one of the oldest mulberry trees in England.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The Tudor-style cottage in the middle of the square is not quite what it seems.

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

The oldest housing complex in Riga is a mini timeline of architectural trends.

The oldest funicular in Lithuania has been climbing this steep hill since 1931.

This early version of the guillotine was used to execute the man responsible for its construction.

Follow the original medieval paths that wind through this intriguing section of the city.

This tiny island is home to the world's largest colony of Northern gannets.